Because of the lack of the fundamental test data, the current design method of liner plate structures depends on the impracticable or only theoretical calculation. Therefore there exists some differences in their point of view between each makers. Accordingly, the design method needs to be standardized. This study refers to several loading tests and analyses of liner plates and their structures. Their available ratios of bending stiffness are attempted to reveal by the tests. Consequently, the Beam-Spring Model can simulate the behavior of structures of liner plates in a good accuracy.